20055532 has 24 divisors (see below), whose sum is σ = 40269600. Its totient is φ = 8561280.

The previous prime is 20055491. The next prime is 20055547. The reversal of 20055532 is 23555002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6594 + ... + 9142.

It is an arithmetic number, because the mean of its divisors is an integer number (1677900).

Almost surely, 2^20055532 is an apocalyptic number.

It is an amenable number.

20055532 is an abundant number, since it is smaller than the sum of its proper divisors (20214068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20055532 is a wasteful number, since it uses less digits than its factorization.

20055532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841 (or 2839 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 20055532 is about 4478.3403175730. The cubic root of 20055532 is about 271.6927578957.

The spelling of 20055532 in words is "twenty million, fifty-five thousand, five hundred thirty-two".